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Forum: Differential Equations

Ordinary and Partial Differential Equations, Linear and Nonlinear; also Integral and Integro-Differential Equations

  1. Sticky Thread Sticky Threads

  2. Sticky Thread Bessel Functions Cheat Sheet

    Started by Ackbach, September 11th, 2015 10:13
    • Replies: 0
    • Views: 1,886
    September 11th, 2015, 10:13 Go to last post
  3. Sticky Thread Stürm-Liouville Problem Cheat Sheet

    Started by Ackbach, September 4th, 2015 10:10
    • Replies: 0
    • Views: 1,714
    September 4th, 2015, 10:10 Go to last post
  4. Sticky Thread Status of DE Tutorial

    Started by Chris L T521, December 26th, 2012 03:16
    • Replies: 4
    • Views: 2,942
    July 10th, 2013, 04:41 Go to last post
  1. Normal Thread Normal Threads

  2. Need help setting up Differential Equation to solve

    Started by LLand314, February 8th, 2015 16:05
    • Replies: 4
    • Views: 831
    February 11th, 2015, 13:06 Go to last post
  3. Partially Decoupled System

    Started by superduck1385, February 9th, 2015 00:03
    find, points, satisfying, solution, system
    • Replies: 2
    • Views: 2,651
    February 11th, 2015, 02:29 Go to last post
  4. Growth proportional to square root of worth.

    Started by ineedhelpnow, February 6th, 2015 10:39
    • Replies: 4
    • Views: 1,086
    February 7th, 2015, 17:04 Go to last post
  5. Identifying the Degree of a Differential Equation

    Started by KD1729, January 30th, 2015 14:43
    ??wondering, degree, differential, equation, leftfracdydxright^1
    • Replies: 3
    • Views: 831
    January 30th, 2015, 15:55 Go to last post
  6. Separable Equations

    Started by shamieh, January 28th, 2015 23:47
    =fracr^2x, approximately, fracdrdx, interval, solution
    • Replies: 8
    • Views: 959
    January 29th, 2015, 01:31 Go to last post
    • Replies: 9
    • Views: 821
    January 28th, 2015, 00:09 Go to last post
  7. Determining Order of Differential Equations

    Started by ineedhelpnow, January 22nd, 2015 18:36
    differential, d^3yx^3+x=0$, equations, order, understand
    • Replies: 4
    • Views: 618
    January 23rd, 2015, 09:19 Go to last post
  8. existence and uniqueness

    Started by find_the_fun, January 20th, 2015 20:20
    2xy^2, continuous, solution, theorem, uniqueness
    • Replies: 1
    • Views: 644
    January 20th, 2015, 22:33 Go to last post
  9. order and whether or not it is linear

    Started by karush, January 16th, 2015 23:47
    $$x^2, determine, equation, linear, order
    • Replies: 1
    • Views: 507
    January 17th, 2015, 01:09 Go to last post
  10. Positivity of compartments in epidemiological model

    Started by kalish, January 16th, 2015 11:17
    differential-equations, mathematical-modeling, model, positivity, proof
    • Replies: 0
    • Views: 352
    January 16th, 2015, 11:17 Go to last post
  11. Find equation system for boundary value problem

    Started by marrvo, January 10th, 2015 14:16
    differential equations, find, forall, ldots, numerical methods
    • Replies: 0
    • Views: 554
    January 10th, 2015, 14:16 Go to last post
  12. [SOLVED] How do I integrate this?

    Started by Cadbury, January 4th, 2015 07:21
    • Replies: 3
    • Views: 527
    January 5th, 2015, 01:02 Go to last post
  13. Establish the following limit?

    Started by kalish, January 2nd, 2015 21:11
    differential-equations, inequality, infty, proof-verification, rightarrow
    • Replies: 8
    • Views: 946
    January 4th, 2015, 16:07 Go to last post
  14. Solution of the equation

    Started by Cadbury, January 4th, 2015 12:14
    equation, feature, latex, problem, solution
    • Replies: 4
    • Views: 726
    January 4th, 2015, 13:56 Go to last post
  15. [SOLVED] Linearly independence using Wronskian?

    Started by Cadbury, January 3rd, 2015 10:06
    independent, linearly, properly.thank, show, wronskian
    • Replies: 3
    • Views: 703
    January 4th, 2015, 13:43 Go to last post
  16. [SOLVED] Passes through a given point?

    Started by Cadbury, January 3rd, 2015 08:55
    • Replies: 2
    • Views: 683
    January 4th, 2015, 07:16 Go to last post
  17. [SOLVED] Reduce an equation to a homogenous equation?

    Started by Cadbury, January 3rd, 2015 08:09
    equation, homogenous, problem, reduce, solve
    • Replies: 3
    • Views: 899
    January 4th, 2015, 07:00 Go to last post
  18. [SOLVED] Help with motions of a double pendulum using RK4

    Started by Rezalt, December 18th, 2014 05:15
    • Replies: 0
    • Views: 833
    December 18th, 2014, 05:15 Go to last post
  19. Why is the interval solution this?

    Started by find_the_fun, December 15th, 2014 20:18
    answer, infty, interval, key, solution
    • Replies: 4
    • Views: 711
    December 16th, 2014, 16:07 Go to last post
  20. Modelling the motion of a meteor

    Started by PeterH, December 12th, 2014 19:28
    • Replies: 3
    • Views: 788
    December 13th, 2014, 14:23 Go to last post
  21. [SOLVED] Coupled non-linear system of ODEs

    Started by topsquark, November 30th, 2014 01:06
    • Replies: 5
    • Views: 673
    December 2nd, 2014, 16:57 Go to last post
  22. linear ode; how does answer key get this?

    Started by find_the_fun, November 12th, 2014 20:40
    • Replies: 7
    • Views: 1,726
    November 13th, 2014, 19:18 Go to last post
  23. solutions by substitutions

    Started by find_the_fun, November 13th, 2014 05:53
    • Replies: 3
    • Views: 686
    November 13th, 2014, 11:04 Go to last post
  24. Cauchey Euler equation

    Started by find_the_fun, November 5th, 2014 03:28
    • Replies: 1
    • Views: 498
    November 5th, 2014, 04:30 Go to last post
    • Replies: 0
    • Views: 520
    November 1st, 2014, 15:34 Go to last post
  25. Method of Characteristics

    Started by Carla1985, October 24th, 2014 15:51
    • Replies: 0
    • Views: 480
    October 24th, 2014, 15:51 Go to last post

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Top 156 Thread Starters For "Differential Equations"

RankUser NamePercentage Of TotalThreadsMost Recent Thread
1dwsmith11.790What is meant by find the time...
2evinda10.278Initial value problem of the w...
3mathmari8.263Limit of integral
4karush5.6431.3.14 Verify the following gi...
5find_the_fun5.542finding interval where second ...
6shamieh3.527Use series methods to solve [2...
7Markov3.325First order PDE
8ineedhelpnow2.721Critical Points, Stability
9onie mti2.519solving a cauchy problem
9ognik2.519Another Frobenius method ODE
10alane19942.217Population Dynamics... again
10kalish2.217Solving a system of an arbitra...
11nacho1.814Chebyshev Expansion (I need he...
12grandy1.713Boundary integral method to so...
13simo1.612looking at a solitary initial ...
14bergausstein1.411Elimination of constants
15Poirot1.29Fourier transform
16Julio1.08Laplace equation and Median Va...
17Cbarker10.97Example of systems of the diff...
18Alexmahone0.86Infinitely many solutions
19shorty0.75Damped Free Forced Vibration
19Alan0.75Lemma 4.5.1 on page 77 in the ...
19Cadbury0.75Solution of the equation
19brunette150.75Parametric representation of a...
20Fantini0.54Stable and unstable manifolds ...
20oasi0.54solving ODE with series
20ssh0.54Hypergeometric equation
20suvadip0.54differential eq of first order...
20LLand3140.54Need help setting up Different...
20nathancurtis110.54Finding a value for a y(0) = ...
20stripedcat0.54Bernoulli to Linear First Orde...
21Chris L T5210.43Status of DE Tutorial
21Carla19850.43Peak in single ODE within a sy...
21rsoy0.43Show whether the given ODE is ...
21ZiniaDuttaGupta0.43Stability, phase portrait, bif...
21Vishak0.43Second order inhomogeneous dif...
21Guest0.43System of differential equatio...
21frank12340.43Help on a 2nd Order Linear Dif...
21dansingh0.43reduction of linear or non lin...
21arrow270.43Fourier Transform
21DrWahoo0.43General DE questions and help
21MermaidWonders0.43More Differential Equations...
22Ackbach0.32Bessel Functions Cheat Sheet
22bkarpuz0.32Solution of the PDE?
22ifeg0.32what is the difference between...
22MacLaddy0.32Inflection Point of the Thresh...
22Sudharaka0.32Solving a Riccati Differential...
22Jason0.32ODE system. Limit cycle; Hopf ...
22madflame9910.32System of DEs
22Chipset36000.32ODE PVI problem.
22Amer0.32How to solve this Differential...
22Hurry0.32D'Lambert problem
22crevoise0.32Bernoulli / Riccati Equation
22topsquark0.32Simple pendulum, ref: POTW 156
22skatenerd0.32derivative of bessel function ...
22hatguy0.32Solving Nonlinear ODEs I
22wmccunes0.32Integrating factor, initial va...
22paulmdrdo0.32Differential Equation of Unkno...
22Kris0.32Help rearranging a linear firs...
22LATEBLOOMER0.32Differential equation populati...
22shen070.32PDE Solving Continuity Equatio...
22dearcomp0.32D.E with Physics Included
22Pranav0.32Solving a first-order differen...
22LAK0.32Separation of Variables
22cheatmenot0.32Obtaining Differential Equatio...
22rayne0.32general solution to 2nd order....
22Nikolas70.32Differential equation y/(x^2+y...
22Joppy0.32Discrete dynamical systems - I...
22markosheehan0.32differentiation equation: equa...
22jahrens0.32Help with another separable eq...
22abhay0.32wave equation
22kayella190.32Any one who can solve this?
22ToastIQ0.32General solution y''+2y'+y=x(e...
23Ulysses0.11Partial differential equation
23Kane0.11need help with transforming on...
23issacnewton0.11vanishing wronskian for linear...
23battleman130.11A few small questions about di...
23GreenGoblin0.11Cannot isolate y (first order ...
23MarkFL0.11Using the annihilator method t...
23nonsequitter0.11Dirichlet Problem for Laplace'...
23I like Serena0.11Interesting ODE
23charlottewill0.11Volterra-Lotka system.
23caffeinemachine0.11Book Recommendation for Ordina...
23blackthunder0.11first order pde
23themurgesh0.11Integrating Factor Question
23weber0.11Series Solution of a DE
23Usagi0.11Frobenius Method Queries
23rishadjb0.11Linear ODE for a fundamental s...
23azuralshadow0.11Understanding partial solution...
23thecoop0.11Finding Critical Points of a D...
23superbread880.11Question on 1D heat equation
23U4770.11Air resistance equation
23Petrus0.11First order linear differentia...
23heaviside0.11Assistance needed for this ODE...
23ryo00710.11Nonlinear PDE
23Jerome0.11Hankel and mellin transform
23ipaper0.11A property of solution of ODE ...
23krish0.11Solving an IVP for a system of...
23ends0.11Mixing Problem?
23nuggz6190.11First Order Differential Equat...
23Bibbster0.11Second order differential help...
23shocks900.11Integrating with trigo....ODE
23emily6000.11Partial DE-separation of varia...
23ISITIEIW0.11Verify a function is a solutio...
23goku9000.11Phase Line and long term behav...
23talha0.11non-linear first order differe...
23ChemEng0.112nd order ODE (Control Systems...
23tylerbizoff0.11Heat equation with annoying so...
23zkee0.11Homogeneous Functions
23mikky05v0.11Torrcelli's law of fluids
23CWolf0.11Singular Points
23Schmidt0.11Displacement of mass spring sy...
23Aryth0.11Finding Integral Curves
23mathgirl0.11Find all solutions (integral s...
23Pascal0.11Coupled ODEs
23jakejakejake0.11Laplace Transform, Finding sol...
23Naincy0.11First order linear ODE
23danthatdude0.11Second Order Linear ODE
23Milly0.11Integration of separate variab...
23PullandTwist0.11HELP: Orthogonal Trajectories
23PeterH0.11Modelling the motion of a mete...
23Rezalt0.11Help with motions of a double ...
23marrvo0.11Find equation system for bound...
23KD17290.11Identifying the Degree of a Di...
23xichyu10.11How can the six unknown number...
23superduck13850.11Partially Decoupled System
23Ciaran0.11Changing variables DE
23kJS0.11Inverse Laplace Transform 2
23notagenuis0.11Newton's Cooling Law
23ozkan120.11What does priori estimate do i...
23tiaborrego0.11Integrating Factor
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